Listen to the "WDAS 105.3 FM" radio station live. The "WDAS 105.3 FM" studio is located in Philadelphia, PA. Callsign: WDAS. Broadcasting region: Greater Philadelphia (Delaware Valley). Start of broadcasting: September 1, 1959. Program format: Urban adult contemporary. Musical style: R&B. Target audience: 18-54 years old. Audience Reach: 6,096,000.